AU3731689A - Improvements in or relating to electro-magnetically operable devices - Google Patents

Improvements in or relating to electro-magnetically operable devices

Info

Publication number
AU3731689A
AU3731689A AU37316/89A AU3731689A AU3731689A AU 3731689 A AU3731689 A AU 3731689A AU 37316/89 A AU37316/89 A AU 37316/89A AU 3731689 A AU3731689 A AU 3731689A AU 3731689 A AU3731689 A AU 3731689A
Authority
AU
Australia
Prior art keywords
electro
relating
operable devices
magnetically operable
magnetically
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
AU37316/89A
Inventor
Haqi Ismail Hussain Almossawi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GEOSENSOR Ltd
Original Assignee
GEOSENSOR Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from GB888812313A external-priority patent/GB8812313D0/en
Application filed by GEOSENSOR Ltd filed Critical GEOSENSOR Ltd
Publication of AU3731689A publication Critical patent/AU3731689A/en
Abandoned legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H11/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties
    • G01H11/02—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by magnetic means, e.g. reluctance
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H3/00—Measuring characteristics of vibrations by using a detector in a fluid
    • G01H3/10—Amplitude; Power
    • G01H3/12—Amplitude; Power by electric means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics And Detection Of Objects (AREA)
AU37316/89A 1988-05-25 1989-05-23 Improvements in or relating to electro-magnetically operable devices Abandoned AU3731689A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB8812313 1988-05-25
GB888812313A GB8812313D0 (en) 1988-05-25 1988-05-25 Geophone
GB8829294 1988-12-15
GB888829294A GB8829294D0 (en) 1988-05-25 1988-12-15 Almossawi's geophone

Publications (1)

Publication Number Publication Date
AU3731689A true AU3731689A (en) 1989-12-12

Family

ID=26293928

Family Applications (1)

Application Number Title Priority Date Filing Date
AU37316/89A Abandoned AU3731689A (en) 1988-05-25 1989-05-23 Improvements in or relating to electro-magnetically operable devices

Country Status (2)

Country Link
AU (1) AU3731689A (en)
WO (1) WO1989011636A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11435428B2 (en) * 2020-04-09 2022-09-06 Raytheon Bbn Technologies Corp. Acoustic vector sensor

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3129347A (en) * 1960-07-20 1964-04-14 Bendix Corp Magneto-electric motion detecting transducer
CH651663A5 (en) * 1981-02-03 1985-09-30 Prvni Brnenska Strojirna Electromagnetically acting induction-type transmitter for sensing vibrations
US4458536A (en) * 1982-07-06 1984-07-10 The Charles Stark Draper Laboratory, Inc. Multiaxial vibration sensor

Also Published As

Publication number Publication date
WO1989011636A1 (en) 1989-11-30

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